228
CDUS41 KPHI 170553
CLIABE
CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
153 AM EDT SUN MAY 17 2026
...............................
..THE ALLENTOWN PA CLIMATE SUMMARY FOR MAY 16 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1922 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 81 4:14 PM 89 1951 74 7 78
1998
MINIMUM 43 5:26 AM 37 1939 51 -8 58
2016
AVERAGE 62 62 0 68
PRECIPITATION (IN)
YESTERDAY 0.00 1.90 2014 0.12 -0.12 0.54
MONTH TO DATE 0.76 1.83 -1.07 7.38
SINCE MAR 1 9.49 9.13 0.36 13.11
SINCE JAN 1 13.23 15.20 -1.97 16.44
SNOWFALL (IN)
YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE MAR 1 T 6.8 -6.8 0.0
SINCE JUL 1 35.5 33.1 2.4 17.8
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 3 5 -2 0
MONTH TO DATE 142 100 42 41
SINCE MAR 1 1139 1257 -118 1037
SINCE JUL 1 5542 5216 326 5079
COOLING
YESTERDAY 0 2 -2 3
MONTH TO DATE 2 20 -18 15
SINCE MAR 1 32 28 4 16
SINCE JAN 1 32 28 4 16
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 6.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 1:00 AM
LOWEST 33 3:00 PM
AVERAGE 65
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THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 92 1951
MINIMUM TEMPERATURE (F) 51 32 1956
SUNRISE AND SUNSET
MAY 17 2026...........SUNRISE 5:43 AM EDT SUNSET 8:14 PM EDT
MAY 18 2026...........SUNRISE 5:42 AM EDT SUNSET 8:15 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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